package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.constants.article.HotArticleConstants;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    RabbitTemplate rabbitTemplate;
    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        // 1. 校验参数
        if (dto==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //点赞需要登录
        ApUser user = AppThreadLocalUtils.getUser();
        System.out.println(user);
        if (user==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 2. 根据当前登录用户id查询行为实体对象
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(),dto.getEquipmentId());
        if (dto.getOperation()==0) {
            // 3. 如果是点赞操作  判断是否已经点过赞
            Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
            ApLikesBehavior like = mongoTemplate.findOne(query, ApLikesBehavior.class);
            if (like!=null) {
                CustException.cust(AppHttpCodeEnum.DATA_EXIST,"不能重复点赞");
            }else {
                // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
                ApLikesBehavior apLikesBehavior = new ApLikesBehavior();
                apLikesBehavior.setArticleId(dto.getArticleId());
                apLikesBehavior.setCreatedTime(new Date());
                apLikesBehavior.setEntryId(apBehaviorEntry.getId());
                apLikesBehavior.setOperation(dto.getOperation());
                apLikesBehavior.setType(dto.getType());
                mongoTemplate.save(apLikesBehavior);
            }
        }else {
            // 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
            Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
            mongoTemplate.remove(query,ApLikesBehavior.class);
        }
        //校验文章id不能为空     使用注解校验
        //校验点赞方式 只能是0 或 1   使用注解校验
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.LIKES);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation() == 0 ? 1 : -1 );
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));
        return ResponseResult.okResult();
    }
}
